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managed eof with stdin

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pirate sans barbe 2021-03-03 05:45:20 -10:00
commit 42f75763d9
1 changed files with 65 additions and 22 deletions
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57
hydra.c
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@ -245,6 +245,26 @@ extern int32_t old_ssl;
void hydra_kill_head(int32_t head_no, int32_t killit, int32_t fail);
char *read_line_stdin() {
char *word = malloc(64);
memset(word, 0, sizeof(word));
char c;
int i = 0;
do {
c = getc(stdin);
if(feof(stdin))
{
fprintf(stderr, "eof\n");
break;
}
strncpy(&word[i], &c, 1);
i++;
} while(c != '\n');
word[i-1] = 0;
return word;
}
// some enum definitions
typedef enum { HEAD_DISABLED = -1, HEAD_UNUSED = 0, HEAD_ACTIVE = 1 } head_state_t;
@ -911,7 +931,7 @@ void hydra_restore_read() {
hydra_targets[j]->pass_ptr = pass_ptr + atoi(out);
sck = fgets(out, sizeof(out), f); // target login_ptr, ignord
sck = fgets(out, sizeof(out), f);
if (hydra_options.bfg) {
if (hydra_options.bfg && !hydra_options.read_stdin) {
if (out[0] != 0 && out[strlen(out) - 1] == '\n')
out[strlen(out) - 1] = 0;
hydra_targets[j]->pass_ptr = malloc(strlen(out) + 1);
@ -1777,13 +1797,18 @@ int32_t hydra_send_next_pair(int32_t target_no, int32_t head_no) {
hydra_targets[target_no]->pass_ptr = pass_ptr;
} else {
if (check_flag(hydra_options.mode, MODE_PASSWORD_BRUTE)) {
if(hydra_options.read_stdin) {
hydra_targets[target_no]->pass_ptr = read_line_stdin();
}
else {
#ifndef HAVE_MATH_H
sleep(1);
#else
hydra_targets[target_no]->pass_ptr = bf_next(hydra_options.rainy);
hydra_targets[target_no]->pass_ptr = bf_next();
if (debug)
printf("[DEBUG] bfg new password for next child: %s\n", hydra_targets[target_no]->pass_ptr);
#endif
}
} else { // -p -P mode
hydra_targets[target_no]->pass_ptr++;
while (*hydra_targets[target_no]->pass_ptr != 0)
@ -2280,9 +2305,11 @@ int main(int argc, char *argv[]) {
hydra_brains.ofp = stdout;
hydra_brains.targets = 1;
hydra_options.waittime = waittime = WAITTIME;
hydra_options.rainy = 0;
hydra_options.stdin_lines = 0;
hydra_options.read_stdin = 0;
bf_options.disable_symbols = 0;
// command line processing
if (argc > 1 && strncmp(argv[1], "-h", 2) == 0)
help(1);
@ -2315,9 +2342,6 @@ int main(int argc, char *argv[]) {
hydra_options.restore = 1;
hydra_restore_read();
break;
case 'r':
hydra_options.rainy = 1;
break;
case 'I':
ignore_restore = 1; // this is not to be saved in hydra_options!
break;
@ -2452,6 +2476,15 @@ int main(int argc, char *argv[]) {
modusage = 1;
break;
case 'x':
if(optarg[0] == '-') {
hydra_options.read_stdin = 1;
hydra_options.stdin_lines = atoi(&optarg[1]);
if(hydra_options.stdin_lines < 1) {
fprintf(stderr, "Using stdin, you must give the numbers of lines to treat: -x -250");
exit(-1);
}
}
else {
#ifndef HAVE_MATH_H
fprintf(stderr, "[ERROR] -x option is not available as math.h was not "
"found at compile time\n");
@ -2460,6 +2493,7 @@ int main(int argc, char *argv[]) {
if (strcmp(optarg, "-h") == 0)
help_bfg();
bf_options.arg = optarg;
}
hydra_options.bfg = 1;
hydra_options.mode = hydra_options.mode | MODE_PASSWORD_BRUTE;
hydra_options.loop_mode = 1;
@ -3429,16 +3463,22 @@ int main(int argc, char *argv[]) {
hydra_brains.sizepass = strlen(hydra_options.pass) + 1;
} else {
if (hydra_options.bfg) {
if(hydra_options.read_stdin) {
pass_ptr = read_line_stdin();
hydra_brains.countpass = hydra_options.stdin_lines;
}
else {
#ifdef HAVE_MATH_H
if (bf_init(bf_options.arg))
exit(-1); // error description is handled by bf_init
pass_ptr = bf_next(hydra_options.rainy);
pass_ptr = bf_next();
hydra_brains.countpass += bf_get_pcount();
hydra_brains.sizepass += BF_BUFLEN;
#else
sleep(1);
#endif
}
} else {
pass_ptr = hydra_options.pass = empty_login;
hydra_brains.countpass = 0;
@ -3703,6 +3743,9 @@ int main(int argc, char *argv[]) {
#ifdef HAVE_MATH_H
if (hydra_options.bfg) {
if(hydra_options.read_stdin)
math2 = hydra_brains.countlogin * hydra_options.stdin_lines;
else
math2 = hydra_brains.countlogin * bf_get_pcount();
}
#endif